How to Select a Filter Fan or Cooling Unit for Industrial Enclosures

Chatsworth Products' (CPI) RMR® Industrial Enclosures provide primary protection of sensitive IT equipment in environments that are dusty, dirty, possibly wet, and that experience wide temperature variations. They are able to provide this type of protection because they are completely sealed when closed, and are IP- or NEMA-rated.

The sealed design of industrial enclosures does not allow for ventilation needed to cool internal electronics, so a filter fan or cooling unit is typically required to exhaust or eject heat from the enclosure. Like the enclosures, the filter fan or cooling unit need to be IP- or NEMA-rated to match (or exceed) the enclosure rating.

Filter fans with matching exhausts are a good choice where the amount of dust is minimal and when equipment within the enclosure can operate at higher temperatures than the temperature of the ambient air.

Use cooling units, enclosure-mounted air conditioners, to keep the enclosure completely sealed in areas with a lot of dust or where internal temperature must be tightly controlled.

Proper selection of filter fans and cooling units for industrial enclosures is critical to ensuring high equipment performance and availability, and improved energy efficiency.

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